Sunday
December 8, 2013

# Posts by andy

Total # Posts: 781

matter
why is it important too descibe and compare matter

matter
why is it important too descibe and compare matter

Probabilities
Bibi wants to send invitations to some of her friends to come to her birthday party. She has contact information for 37 friends stored on her phone, but she only wants to invite 21 of those people to her party. She tries to send out a message to the 21 people, but her phone ma...

Midpoint Help / Math
M(-4,-2) is the midpoint of RS. If S has coordinates (-2,5), find the coordinates of R.

landmark project
You can ask , What is the area of the Palace of Fine Arts ? Where is it located ? Who is the architect ?

Algebra
Suppose f(x) is some polynomial such that x−45 is a factor of f(x) . What value of x must be a root of f(x)=0 ?

Geometry
Circle G with center O is tangential to PA at A . Line PO extended intersects G at B (PO<PB ). C is a point on AB such that PC bisects angle APB .What is the measure (in degrees) of angle PCA ?

Quantum Physics
guess the right answer for 5a and don't forget to write CAPITAL K

Quantum Physics
Gyus, 5 is easier than you think! It takes exactly m steps from starting superposition (ay = 1/sqrt(K), ax = 1/sqrt(k)) to get to the solution (ay = 1, ax = 0), then it takes exactly m+1 steps to get back to initial state, but after each cycle the sign changes! So it looks lik...

Statistics
The lifetime of computer chips is approximately normal with mean 1.4×106 hours and standard deviation 3×105 hours. The statistics department has 5 computers built with that chip as the main component. What is the probability that all 5 computers last longer than 1....

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